Used other than figuratively or idiomatically: see step, back.
Entering Avebury from any direction is like stepping back into the past. Before the centre of the village is reached, the road passes through an immense circle of brooding stones which stand like petrified ghosts of an age about which little is known.1980, AA Book of British Villages, Drive Publications Ltd, page 40:
Engineers from the Tyne & Wear Metro stepped back in time in December, to conduct a safety-critical inspection of the tramway at the open-air Beamish Museum in County Durham.2022 January 12, “Network News: Nexus inspects Beamish lines”, in RAIL, number 948, page 14:
2
Idiomatic To stop what one is doing and evaluate the current situation.
Perhaps we should step back for a second and think about solving this problem a different way.
Making the announcement at 1600 on Friday November 4, the RDG [...] said in a statement: "It is positive that the RMT leadership has stepped back from the brink and called off their strike action.2022 November 16, Mel Holley, “Rail strikes halted to allow for "intensive negotiations"”, in RAIL, page 8:
3
Idiomatic To prevent oneself from becoming emotionally involved in a certain situation.
As a therapist sometimes you have to step back from your clients' lives.
4
Rail transport, Railways, Transport to depart driving the train following the train they arrived into the station driving, so as to decrease service turnaround time.
Of a driver at a terminal station
5
Idiomatic To retreat from one's duties in a job; to reduce one's duties, often as a prelude to leaving a position; to take a back seat.
He's stepping back from the role to let you start in it.